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Ann. Geophys., 19, 229-244, 2001
www.ann-geophys.net/19/229/2001/
© European Geosciences Union 2001
Ozone isotopic composition: an angular effect in scattering processes?
F. Robert1 and C. Camy-Peyret2
1CNRS-Muséum, Laboratoire de Minéralogie, 61 rue Buffon, 75005 Paris, France
2CNRS-Laboratoire de Physique moléculaire et applications, Université Pierre et Marie Curie, Tour 13, Bte 76 - 4 place Jussieu, 75252 Paris Cedex 05, France
Correspondence to: F. Robert (robert@mnhn.fr)
Abstract. The ratio of the
differential scattering cross sections involving distinguishable and
indistinguishable isotopes may exhibit non-mass dependent angular variations. A
numerical application of this hypotheses to the ozone reaction rates reproduces
some of the results observed in laboratory experiments. This theory could be
tested through a cross beam experiment where the isotopic composition of the
scattered products is recorded as a function of their scattering angles.
Key words. Atmospheric composition and structure
(middle atmosphere – composition and chemistry)
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